<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
<style>
    *{
        margin: 0;
        padding: 0;
    }
    input{
        outline:none;
    }
    div{
        width:935px;
        height: 120px;
        border: 1px solid #dedede;
        margin: 0 auto;
        background-color: #eceaeb;
        border-radius:15px ;
        box-shadow: 4px 11px 7px #bfbfbf,-4px 11px 7px #bfbfbf ;
    }
    input[type=text]{
        width: 683px;
        height: 86px;
        margin: 17px;
        border: 3px solid #cccccc;
        border-radius: solid 3px;
        font-size:25px;
        text-indent: 11px;
    }
    input[type=submit]{
        width: 200px;
        height: 83px;
        background:url(./10.png);
        border-radius: 5px;
        border: 1px solid #5ca3b4;
        font-size:23px ;
        color: white;
        
    }
</style>
</head>
<body>
    <div>
        <form action="">
            <input type="text" placeholder="Search for css3,html.....">
            <input type="submit" name="" id="" value="go">
        </form>
    </div>
</body>
</html>